The property sources that are added to your application by the bootstrap context are often “remote” (from example, from Spring Cloud Config Server). By default, they cannot be overridden locally. If you want to let your applications override the remote properties with their own system properties or config files, the remote property source has to grant it permission by settingspring.cloud.config.allowOverride=true(it does not work to set this locally). Once that flag is set, two finer-grained settings control the location of the remote properties in relation to system properties and the application’s local configuration:
spring.cloud.config.overrideNone=true: Override from any local property source.
spring.cloud.config.overrideSystemProperties=false: Only system properties, command line arguments, and environment variables (but not the local config files) should override the remote settings.
Comma-separated list of additional unencoded characters that should be allowed in URI paths. Only "< > [ \ ] ^ ` { | }" are allowed.
server.tomcat.relaxed-query-chars
Comma-separated list of additional unencoded characters that should be allowed in URI query strings. Only "< > [ \ ] ^ ` { | }" are allowed.
relaxedPathChars
TheHTTP/1.1 specificationrequires that certain characters are %nn encoded when used in URI paths. Unfortunately, many user agents including all the major browsers are not compliant with this specification and use these characters in unencoded form. To prevent Tomcat rejecting such requests, this attribute may be used to specify the additional characters to allow. If not specified, no additional characters will be allowed. The value may be any combination of the following characters:" < > [ \ ] ^ ` { | }. Any other characters present in the value will be ignored.
relaxedQueryChars
TheHTTP/1.1 specificationrequires that certain characters are %nn encoded when used in URI query strings. Unfortunately, many user agents including all the major browsers are not compliant with this specification and use these characters in unencoded form. To prevent Tomcat rejecting such requests, this attribute may be used to specify the additional characters to allow. If not specified, no additional characters will be allowed. The value may be any combination of the following characters:" < > [ \ ] ^ ` { | }. Any other characters present in the value will be ignored.
의도치 않게 tomcat 에서 에러 처리를 해버려서 이를 방지 하기 위해 설정 후 application 에서 처리 하시면 됩니다.
# bin/elasticsearch-setup-passwords interactive Initiating the setup of passwords for reserved users elastic,apm_system,kibana,logstash_system,beats_system,remote_monitoring_user. You will be prompted to enter passwords as the process progresses. Please confirm that you would like to continue [y/N]y
Enter password for [elastic]: Reenter password for [elastic]: Enter password for [apm_system]: Reenter password for [apm_system]: Enter password for [kibana]: Reenter password for [kibana]: Enter password for [logstash_system]: Reenter password for [logstash_system]: Enter password for [beats_system]: Reenter password for [beats_system]: Enter password for [remote_monitoring_user]: Reenter password for [remote_monitoring_user]: Changed password for user [apm_system] Changed password for user [kibana] Changed password for user [logstash_system] Changed password for user [beats_system]
Changed password for user [remote_monitoring_user] Changed password for user [elastic]
그러나 반영이 안되어 있어서 디버깅 하다 아래와 같이 event 를 잡아서 처리를 해주니 잘되는 것을 확인 했습니다.
@EventListener(RefreshScopeRefreshedEvent.class)
public void onRefresh() {
log.debug("triggering ----> {}", watcherThreshold);
}
참고해서 보셔야 하는 코드는 아래 입니다.
/*
* Copyright 2012-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.context.scope.refresh;
import java.io.Serializable;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.cloud.context.scope.GenericScope;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.core.Ordered;
import org.springframework.jmx.export.annotation.ManagedOperation;
import org.springframework.jmx.export.annotation.ManagedResource;
/**
* <p>
* A Scope implementation that allows for beans to be refreshed dynamically at runtime
* (see {@link #refresh(String)} and {@link #refreshAll()}). If a bean is refreshed then
* the next time the bean is accessed (i.e. a method is executed) a new instance is
* created. All lifecycle methods are applied to the bean instances, so any destruction
* callbacks that were registered in the bean factory are called when it is refreshed, and
* then the initialization callbacks are invoked as normal when the new instance is
* created. A new bean instance is created from the original bean definition, so any
* externalized content (property placeholders or expressions in string literals) is
* re-evaluated when it is created.
* </p>
*
* <p>
* Note that all beans in this scope are <em>only</em> initialized when first accessed, so
* the scope forces lazy initialization semantics.
* </p>
*
* <p>
* The scoped proxy approach adopted here has a side benefit that bean instances are
* automatically {@link Serializable}, and can be sent across the wire as long as the
* receiver has an identical application context on the other side. To ensure that the two
* contexts agree that they are identical, they have to have the same serialization ID.
* One will be generated automatically by default from the bean names, so two contexts
* with the same bean names are by default able to exchange beans by name. If you need to
* override the default ID, then provide an explicit {@link #setId(String) id} when the
* Scope is declared.
* </p>
*
* @author Dave Syer
* @since 3.1
*
*/
@ManagedResource
public class RefreshScope extends GenericScope implements ApplicationContextAware,
ApplicationListener<ContextRefreshedEvent>, Ordered {
private ApplicationContext context;
private BeanDefinitionRegistry registry;
private boolean eager = true;
private int order = Ordered.LOWEST_PRECEDENCE - 100;
/**
* Creates a scope instance and gives it the default name: "refresh".
*/
public RefreshScope() {
super.setName("refresh");
}
@Override
public int getOrder() {
return this.order;
}
public void setOrder(int order) {
this.order = order;
}
/**
* Flag to determine whether all beans in refresh scope should be instantiated eagerly
* on startup. Default true.
* @param eager The flag to set.
*/
public void setEager(boolean eager) {
this.eager = eager;
}
@Override
public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry)
throws BeansException {
this.registry = registry;
super.postProcessBeanDefinitionRegistry(registry);
}
@Override
public void onApplicationEvent(ContextRefreshedEvent event) {
start(event);
}
public void start(ContextRefreshedEvent event) {
if (event.getApplicationContext() == this.context && this.eager
&& this.registry != null) {
eagerlyInitialize();
}
}
private void eagerlyInitialize() {
for (String name : this.context.getBeanDefinitionNames()) {
BeanDefinition definition = this.registry.getBeanDefinition(name);
if (this.getName().equals(definition.getScope())
&& !definition.isLazyInit()) {
Object bean = this.context.getBean(name);
if (bean != null) {
bean.getClass();
}
}
}
}
@ManagedOperation(description = "Dispose of the current instance of bean name "
+ "provided and force a refresh on next method execution.")
public boolean refresh(String name) {
if (!name.startsWith(SCOPED_TARGET_PREFIX)) {
// User wants to refresh the bean with this name but that isn't the one in the
// cache...
name = SCOPED_TARGET_PREFIX + name;
}
// Ensure lifecycle is finished if bean was disposable
if (super.destroy(name)) {
this.context.publishEvent(new RefreshScopeRefreshedEvent(name));
return true;
}
return false;
}
@ManagedOperation(description = "Dispose of the current instance of all beans "
+ "in this scope and force a refresh on next method execution.")
public void refreshAll() {
super.destroy();
this.context.publishEvent(new RefreshScopeRefreshedEvent());
}
@Override
public void setApplicationContext(ApplicationContext context) throws BeansException {
this.context = context;
}
}
